MPEC 2020-Y99 : 2020 YY2
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M.P.E.C. 2020-Y99 Issued 2020 December 23, 02:33 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Division F of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2020 YY2
Observations:
K20Y02Y* C2020 12 21.15319200 50 45.57 +28 16 48.3 18.92GVEY099703
K20Y02Y C2020 12 21.15898500 50 53.57 +28 18 24.5 18.54GVEY099703
K20Y02Y C2020 12 21.16477600 51 01.53 +28 19 59.3 18.81GVEY099703
K20Y02Y C2020 12 21.17056800 51 09.61 +28 21 35.0 19.00GVEY099703
K20Y02Y mC2020 12 21.25094800 53 01.35 +28 43 22.9 18.44GVEY099I52
K20Y02Y mC2020 12 21.25113600 53 01.59 +28 43 25.9 18.47GVEY099I52
K20Y02Y mC2020 12 21.25132300 53 01.84 +28 43 28.9 18.88GVEY099I52
K20Y02Y mC2020 12 21.25151100 53 02.11 +28 43 31.9 18.68GVEY099I52
K20Y02Y KC2020 12 21.26659400 53 23.24 +28 47 26.3 18.6 VqEY099858
K20Y02Y KC2020 12 21.27071700 53 29.04 +28 48 32.7 18.8 VqEY099858
K20Y02Y KC2020 12 21.27463300 53 34.57 +28 49 35.5 18.6 VqEY099858
K20Y02Y KC2020 12 21.27983400 53 41.93 +28 50 59.1 19.1 VqEY099858
K20Y02Y mC2020 12 21.30681300 54 20.09 +28 58 19.3 18.78GVEY099I52
K20Y02Y mC2020 12 21.30702400 54 20.35 +28 58 22.9 18.63GVEY099I52
K20Y02Y mC2020 12 21.30723500 54 20.70 +28 58 25.9 18.47GVEY099I52
K20Y02Y mC2020 12 21.30744600 54 20.98 +28 58 29.9 18.41GVEY099I52
K20Y02Y KC2020 12 21.85761801 07 35.40 +31 22 36.4 18.3 GVEY099L74
K20Y02Y KC2020 12 21.86773001 07 49.56 +31 25 06.5 18.2 GVEY099L74
K20Y02Y KC2020 12 21.87784301 08 03.84 +31 27 36.6 18.7 GVEY099L74
K20Y02Y KC2020 12 21.98112501 10 40.77 +31 53 30.5 18.7 VuEY099H21
K20Y02Y KC2020 12 21.98281801 10 43.14 +31 53 55.9 18.7 VuEY099H21
K20Y02Y KC2020 12 21.98331 01 10 43.20 +31 54 15.0 18.3 GVEY099W34
K20Y02Y KC2020 12 21.98450901 10 45.51 +31 54 21.1 18.9 VuEY099H21
K20Y02Y KC2020 12 21.99147 01 10 54.61 +31 56 15.7 18.2 GVEY099W34
K20Y02Y KC2020 12 21.99881 01 11 04.85 +31 58 04.9 18.2 GVEY099W34
K20Y02Y KC2020 12 22.04083 01 12 07.19 +32 08 07.8 18.7 GVEY099V01
K20Y02Y KC2020 12 22.05237 01 12 21.42 +32 11 04.2 18.8 GVEY099734
K20Y02Y KC2020 12 22.05341001 12 24.27 +32 11 25.7 18.9 VqEY099858
K20Y02Y KC2020 12 22.05493 01 12 24.97 +32 11 41.4 19.0 GVEY099734
K20Y02Y KC2020 12 22.05544701 12 27.12 +32 11 55.7 18.7 VqEY099858
K20Y02Y KC2020 12 22.06155701 12 35.64 +32 13 25.4 18.8 VqEY099858
K20Y02Y KC2020 12 22.06360001 12 38.47 +32 13 55.4 18.8 VqEY099858
K20Y02Y KC2020 12 22.07262 01 12 51.68 +32 15 54.5 19.0 GVEY099V01
K20Y02Y C2020 12 22.07845101 12 59.86 +32 17 37.7 18.60GVEY099I52
K20Y02Y C2020 12 22.07858201 13 00.04 +32 17 39.5 18.45GVEY099I52
K20Y02Y C2020 12 22.07871201 13 00.22 +32 17 41.6 18.16GVEY099I52
K20Y02Y C2020 12 22.07884301 13 00.38 +32 17 43.5 18.22GVEY099I52
K20Y02Y KC2020 12 22.14149301 14 24.14 +32 32 33.2 18.7 GVEY099W33
K20Y02Y KC2020 12 22.15152301 14 38.25 +32 34 55.6 18.6 GVEY099W33
K20Y02Y KC2020 12 22.16163201 14 52.46 +32 37 18.4 18.9 GVEY099W33
K20Y02Y KC2020 12 22.72588001 28 34.87 +34 46 07.6 19.1 GVEY099K38
K20Y02Y KC2020 12 22.73625101 28 49.35 +34 48 24.2 18.0 GVEY099K38
K20Y02Y KC2020 12 22.74770901 29 05.42 +34 50 53.0 18.8 GVEY099K38
K20Y02Y KC2020 12 22.82698 01 30 55.23 +35 08 03.9 18.8 GVEY099L07
K20Y02Y KC2020 12 22.83502 01 31 06.46 +35 09 46.3 18.8 GVEY099L07
K20Y02Y KC2020 12 22.83606901 31 10.01 +35 09 36.5 19.3 GVEY099Z99
K20Y02Y KC2020 12 22.83952501 31 14.86 +35 10 20.7 18.9 GVEY099Z99
K20Y02Y KC2020 12 22.84298601 31 19.69 +35 11 04.6 18.9 GVEY099Z99
K20Y02Y KC2020 12 22.84645401 31 24.55 +35 11 48.2 19.1 GVEY099Z99
K20Y02Y KC2020 12 22.99016801 34 55.37 +35 42 21.8 18.8 VuEY099H21
K20Y02Y KC2020 12 22.99118901 34 56.80 +35 42 34.6 18.8 VuEY099H21
K20Y02Y KC2020 12 22.99526801 35 02.46 +35 43 25.7 18.4 VuEY099H21
K20Y02Y KC2020 12 22.99730501 35 05.30 +35 43 51.2 18.7 VuEY099H21
K20Y02Y KC2020 12 22.99934301 35 08.13 +35 44 16.6 18.7 VuEY099H21
K20Y02Y C2020 12 23.08708501 37 12.99 +36 02 30.9 18.39GVEY099I52
K20Y02Y C2020 12 23.08721601 37 13.17 +36 02 32.2 18.48GVEY099I52
K20Y02Y C2020 12 23.08734801 37 13.33 +36 02 34.0 18.81GVEY099I52
K20Y02Y C2020 12 23.08747901 37 13.51 +36 02 35.5 18.31GVEY099I52
Observer details:
703 Catalina Sky Survey. Observer H. Groeller. Measurers E. J. Christensen,
G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A.
Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L.
Seaman, F. C. Shelly, K. W. Wierzchos. 0.68-m Schmidt + 10K CCD.
734 Farpoint Observatory, Eskridge. Observers G. Hug, D. Cromer, D. Goodin,
R. Valentine. Measurer G. Hug. 0.7-m reflector + CCD.
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.51-m Schmidt-
Cassegrain + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer G. J. Leonard.
Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m
reflector + CCD.
K38 M57 Observatory, Saltrio. Observer G. Baj. 0.3-m f/5.5 Ritchey-Chretien
+ CCD.
L07 Osservatorio Salvatore di Giacomo, Agerola. Observers E. Guido, A.
Catapano. 0.5-m f/8 Ritchey-Chretien + CCD.
L74 AstroColauri, Naples. Observer G. Morra.
V01 Mountainville Observatory, Alpine. Observer B. Sheets. 0.36-m reflector
+ CCD.
W33 Transit Dreams Observatory, Campobello. Observer D. Wilde. 0.36-m
Schmidt-Cassegrain + CCD.
W34 Squirrel Valley Observatory, Columbus. Observer R. L. Flynn. 0.36-m
Schmidt-Cassegrain + CCD.
Z99 Clixby Observatory, Cleethorpes. Observer A. Mickleburgh. 0.36-m f/8
Schmidt-Cassegrain + CCD.
Orbital elements:
2020 YY2 Earth MOID = 0.0103 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 10.18033 (2000.0) P Q
n 0.31388453 Peri. 319.14078 +0.80242494 -0.57948790
a 2.1443193 Node 76.83318 +0.57850242 +0.69677160
e 0.5917561 Incl. 8.41567 +0.14645534 +0.42273291
P 3.14 H 22.4 G 0.15 U 7
Residuals in seconds of arc
201221 703 0.2+ 0.5- 201221 H21 0.1- 0.0 201222 K38 0.2+ 0.3+
201221 703 0.3+ 0.2+ 201221 W34 0.2- 1.0+ 201222 K38 0.2- 0.8+
201221 703 0.1- 0.3- 201221 H21 0.1- 0.0 201222 K38 0.4+ 0.3-
201221 703 0.9+ 0.2+ 201221 W34 0.2+ 0.4+ 201222 L07 0.2- 0.1+
201221 I52 0.2+ 0.0 201221 W34 0.3+ 0.8+ 201222 L07 0.0 0.7+
201221 I52 0.1- 0.1- 201222 V01 0.3- 0.7+ 201222 Z99 0.0 0.0
201221 I52 0.2- 0.1- 201222 734 0.6+ 0.4+ 201222 Z99 0.0 0.2+
201221 I52 0.1- 0.1- 201222 858 0.1- 0.0 201222 Z99 0.3- 0.1+
201221 858 0.1+ 0.1+ 201222 734 0.3+ 0.1+ 201222 Z99 0.3- 0.3-
201221 858 0.1- 0.2+ 201222 858 0.0 0.0 201222 H21 0.1+ 0.1-
201221 858 0.1- 0.1+ 201222 858 0.0 0.1- 201222 H21 0.2+ 0.1-
201221 858 0.0 0.2+ 201222 858 0.2- 0.0 201222 H21 0.1+ 0.1-
201221 I52 0.0 0.2- 201222 V01 0.3- 0.6- 201222 H21 0.1+ 0.1-
201221 I52 0.5- 0.0 201222 I52 0.1- 0.3- 201222 H21 0.1+ 0.2-
201221 I52 0.1+ 0.4- 201222 I52 0.1- 0.4- 201223 I52 0.2+ 0.1-
201221 I52 0.1- 0.3+ 201222 I52 0.1- 0.2- 201223 I52 0.2+ 0.4-
201221 L74 0.4+ 0.2+ 201222 I52 0.4- 0.2- 201223 I52 0.1- 0.2-
201221 L74 0.3- 0.2- 201222 W33 0.1+ 0.3- 201223 I52 0.1- 0.3-
201221 L74 0.3+ 0.1- 201222 W33 0.1+ 0.1-
201221 H21 0.2- 0.2- 201222 W33 0.3- 0.2-
Ephemeris:
2020 YY2 a,e,i = 2.14, 0.59, 8 q = 0.8754
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 23 20 07 43.7 -35 59 29 0.2290 0.8835 56.9 110.6 23.1
...
2020 12 08 21 26 32.4 -23 43 45 0.1134 0.9349 60.8 113.2 21.9
...
2020 12 16 23 02 59.6 +01 24 31 0.07001 0.9785 83.3 92.6 19.9
...
2020 12 22 01 11 04.0 +31 58 17 0.07014 1.0167 116.3 60.1 18.8
2020 12 23 01 35 05.3 +35 44 25 0.07369 1.0235 121.0 55.5 18.8
2020 12 24 01 58 43.2 +38 51 10 0.07803 1.0304 125.1 51.3 18.8
...
2020 12 30 03 54 13.1 +47 13 48 0.1150 1.0736 139.7 36.3 19.3
...
2021 01 07 05 14 58.9 +47 39 56 0.1789 1.1354 145.6 29.3 20.2
...
2021 01 22 06 16 10.1 +44 32 09 0.3201 1.2593 144.8 26.8 21.6
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-Y99
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